How fast is .86 mach

In , Japan became the first international customer for the KC The Pegasus. KCA Pegasus Gallery. Advanced Capabilities. Proven Platform Boeing based the KCA Pegasus on a , a commercial airliner, freighter and tanker with more than 1, already in service.

Improved Refueling Capability The KC has an advanced fly-by-wire boom, a 21st century centerline, and wing-mounted hose and drogue systems. Superior Situational Awareness Large Boeing style inch Superior Operating Economics The KCA is based on the most fuel-efficient commercial airplane in its widebody class.

Higher Utilization Onboard KC aircraft health diagnostic systems provide real-time health monitoring and improve operational availability and mission capability.

Air Refueling Operator Station The aerial refueling operator station includes large, legible displays and high-resolution cameras that provide revolutionary visual acuity for all day, night and covert operations.

Feature Stories. Learn More. Social Media. KCA Technical Specifications. Width ft 1 in KC Customers. For the next few tests, North American decided it would be safer to fly the XP with the gear locked down, creating too much drag for Mach-busting. Robert W. Legendary pilot Bob Hoover, who flew chase on the first XP flight, also doubts it.

The climb was just beginning. The achievement was not acknowledged at the time; the Air Force had classified the flight test data on military aircraft, just as it had classified the X-1 program. Today, no one can find records documenting the flight, so details such as which engine the XP used are lost. Was it the original J35, or, as Robert Kempel believes, an improved engine?

In the final collection of flight reports North American submitted to the Air Force, company engineers hint that George Welch flew the XP past Mach 1 on November 19, , and again two days later.

Data classified as secret [a higher level of security] will be presented in Appendix form under separate cover…. Air Force. When I asked about it, archivist Archangelo Difante checked the accessioned collection and found no flight reports. If an XP broke the sound barrier before the April date in the official Air Force histories, the record of that flight is gone. In , when he was the U. There is no doubt that the X-1 did.

And that would finally convince doubters that Yeager was first…but not by much. Continue or Give a Gift. Daily Planet.